Question

1. the product of 7 and a number

2. the sum of 7 and a number

3. 7 less than a number

4. 7 more than twice a number

Answer 1

1. 7n
2. 7+ n
3. n - 7
4. 2n + 7

Answer 2

We can let the "a number" be represented by the variable x.
1) 7x
2) 7 + x
3) x - 7
4) 7 + 2x
Hope this helped and have a great day!